Accordions; Drumheads; Flutes; Guitars; Harmonicas; Horns; Ocarinas; Pianos; Violins; Zithers; Cases for musical instruments; Catgut for musical instruments; Conductors' batons; Drums; Electric guitars; Electronic musical instruments; Guitar capos; Guitar picks; Mallets for musical instruments; Music stands; Musical instruments; Pedals for musical instruments; Perforated music rolls for use in player pianos; Piano keys; Rosin for stringed musical instruments; Tubular bells